EP2905654A3 - Laser light source device with cooling system and projector device - Google Patents

Laser light source device with cooling system and projector device Download PDF

Info

Publication number
EP2905654A3
EP2905654A3 EP14197269.5A EP14197269A EP2905654A3 EP 2905654 A3 EP2905654 A3 EP 2905654A3 EP 14197269 A EP14197269 A EP 14197269A EP 2905654 A3 EP2905654 A3 EP 2905654A3
Authority
EP
European Patent Office
Prior art keywords
light source
laser light
heat block
cooling system
source device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14197269.5A
Other languages
German (de)
French (fr)
Other versions
EP2905654B1 (en
EP2905654A2 (en
Inventor
Tatsuro Hirose
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP2905654A2 publication Critical patent/EP2905654A2/en
Publication of EP2905654A3 publication Critical patent/EP2905654A3/en
Application granted granted Critical
Publication of EP2905654B1 publication Critical patent/EP2905654B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/56—Cooling arrangements using liquid coolants
    • F21V29/58—Cooling arrangements using liquid coolants characterised by the coolants
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/3144—Cooling systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/30—Semiconductor lasers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Semiconductor Lasers (AREA)

Abstract

A laser light source device includes: a laser light source module (10); a pipe (20) through which a cooling refrigerant flows; a heat block (30) which thermally joins the laser light source module (10) and the pipe (20) to each other; and a vessel (50) which is arranged below the heat block (30) and receives dew condensation water which is generated on a surface of the heat block (30) by condensation and drops. The vessel (50) has an opening portion (50a) which opens upward, and a plan view profile of the opening portion (50a) is larger than a plan view profile of the heat block (30).
EP14197269.5A 2014-02-07 2014-12-11 Laser light source device with cooling system and projector device Not-in-force EP2905654B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014021821A JP6366288B2 (en) 2014-02-07 2014-02-07 Light source device and projector device

Publications (3)

Publication Number Publication Date
EP2905654A2 EP2905654A2 (en) 2015-08-12
EP2905654A3 true EP2905654A3 (en) 2015-12-09
EP2905654B1 EP2905654B1 (en) 2017-11-22

Family

ID=52146088

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14197269.5A Not-in-force EP2905654B1 (en) 2014-02-07 2014-12-11 Laser light source device with cooling system and projector device

Country Status (5)

Country Link
US (1) US9488358B2 (en)
EP (1) EP2905654B1 (en)
JP (1) JP6366288B2 (en)
CN (1) CN104834166B (en)
CA (1) CA2875178C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6341664B2 (en) * 2014-01-10 2018-06-13 三菱電機株式会社 Projection display device
JP6202346B2 (en) * 2015-03-20 2017-09-27 カシオ計算機株式会社 Heat dissipation device, light source device and projection device
JP6640811B2 (en) 2017-10-06 2020-02-05 ファナック株式会社 Laser device with dew condensation prevention function
JP7192209B2 (en) * 2017-12-27 2022-12-20 セイコーエプソン株式会社 projector
JP7047376B2 (en) * 2017-12-27 2022-04-05 セイコーエプソン株式会社 projector
JP2020042236A (en) * 2018-09-13 2020-03-19 パナソニックＩｐマネジメント株式会社 Phosphor wheel device, illumination device, and projection-type image display apparatus
WO2020134220A1 (en) * 2018-12-24 2020-07-02 青岛海信激光显示股份有限公司 Laser assembly, laser light source, and laser projection device
JP6828769B2 (en) 2019-05-27 2021-02-10 セイコーエプソン株式会社 projector
CN113138520A (en) * 2020-01-17 2021-07-20 中强光电股份有限公司 Projection device and heat dissipation control method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060029114A1 (en) * 2004-08-05 2006-02-09 Sumitomo Electric Industries, Ltd. Semiconductor laser device
JP2009031430A (en) * 2007-07-25 2009-02-12 Sanyo Electric Co Ltd Projection image display device
JP2009086273A (en) * 2007-09-28 2009-04-23 Sanyo Electric Co Ltd Light source element for projection type video display device and projection type video display device equipped with light source unit constituted of light source element
EP2256548A1 (en) * 2008-03-17 2010-12-01 SANYO Electric Co., Ltd. Projector

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006253274A (en) 2005-03-09 2006-09-21 Matsushita Electric Ind Co Ltd Light source of display apparatus
JP5118929B2 (en) 2007-09-28 2013-01-16 三洋電機株式会社 Projection display device
JP2010085676A (en) 2008-09-30 2010-04-15 Sanyo Electric Co Ltd Projector device
JP2010113204A (en) 2008-11-07 2010-05-20 Sanyo Electric Co Ltd Projector apparatus
JP5511420B2 (en) * 2010-02-05 2014-06-04 三菱電機株式会社 Laser light source device and projector device
JP6120496B2 (en) 2012-06-15 2017-04-26 三菱電機株式会社 Light source device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060029114A1 (en) * 2004-08-05 2006-02-09 Sumitomo Electric Industries, Ltd. Semiconductor laser device
JP2009031430A (en) * 2007-07-25 2009-02-12 Sanyo Electric Co Ltd Projection image display device
JP2009086273A (en) * 2007-09-28 2009-04-23 Sanyo Electric Co Ltd Light source element for projection type video display device and projection type video display device equipped with light source unit constituted of light source element
EP2256548A1 (en) * 2008-03-17 2010-12-01 SANYO Electric Co., Ltd. Projector

Also Published As

Publication number Publication date
US9488358B2 (en) 2016-11-08
CA2875178A1 (en) 2015-08-07
JP2015148729A (en) 2015-08-20
US20150226417A1 (en) 2015-08-13
EP2905654B1 (en) 2017-11-22
EP2905654A2 (en) 2015-08-12
JP6366288B2 (en) 2018-08-01
CN104834166A (en) 2015-08-12
CN104834166B (en) 2016-09-21
CA2875178C (en) 2018-04-03

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